20967444

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^2\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 56981120

約数和(自身を除く): 36013676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 367, 414, 529, 621, 734, 828, 1058, 1101, 1242, 1468, 1587, 2116, 2202, 2484, 3174, 3303, 4404, 4761, 6348, 6606, 8441, 9522, 9909, 13212, 14283, 16882, 19044, 19818, 25323, 28566, 33764, 39636, 50646, 57132, 75969, 101292, 151938, 194143, 227907, 303876, 388286, 455814, 582429, 776572, 911628, 1164858, 1747287, 2329716, 3494574, 5241861, 6989148, 10483722, 20967444]

約数ペア:

[(1, 20967444), (2, 10483722), (3, 6989148), (4, 5241861), (6, 3494574), (9, 2329716), (12, 1747287), (18, 1164858), (23, 911628), (27, 776572), (36, 582429), (46, 455814), (54, 388286), (69, 303876), (92, 227907), (108, 194143), (138, 151938), (207, 101292), (276, 75969), (367, 57132), (414, 50646), (529, 39636), (621, 33764), (734, 28566), (828, 25323), (1058, 19818), (1101, 19044), (1242, 16882), (1468, 14283), (1587, 13212), (2116, 9909), (2202, 9522), (2484, 8441), (3174, 6606), (3303, 6348), (4404, 4761)]